.operation_container {
  position: absolute;
  background: #fff;
  right: 0;
  top: calc(50% - 200px);
  padding: 16px;
}

.operation_btn {
  padding: 7px 12px;
  border-radius: 4px;
  background-color: #1b66ff;
  color: #fff;
  cursor: pointer;
}